Echinopsis pachanoiSan Pedro cactus

The Echinopsis pachanoi, commonly known as San Pedro Cactus, is a fast-growing, columnar cactus native to the Andes Mountains. This striking plant is prized for its tall, green stems with smooth ridges and small spines, reaching impressive heights in the right conditions. Its drought tolerance and unique architectural form make it a favourite for xeriscaping, container planting, or as a striking feature in arid and subtropical gardens.

Specifications

• Height3 to 6 metres
• Width1 to 2 metres
• Native toAndes Mountains, South America
• FoliageRibbed, columnar green stems with spines; evergreen
• Growth rateFast

Conditions

• SoilPrefers well-drained, sandy or rocky soils; tolerates poor soils
• LightFull sun to partial shade
• WaterLow; drought-tolerant once established
• ClimateThrives in arid, subtropical, and Mediterranean climates

Additional Features

• FlowersLarge, white, fragrant blooms that open at night; sporadic blooming
• FormTall, columnar growth habit with multiple upright stems
• UsesIdeal for xeriscaping, arid gardens, rockeries, or container planting
• SpacingPlant 1 to 2 metres apart for individual displays or clusters
• Low MaintenanceRequires minimal care; prune to control size or shape
• Pest ResistanceGenerally pest-free; monitor for scale or mealybugs in container plants
• Drought ToleranceExcellent; thrives with minimal watering once established
• Frost ToleranceHandles light frost; protect young plants in cooler climates
• Seasonal AppealEvergreen structure with occasional dramatic blooms
• VersatilityComplements modern, desert, and minimalist landscapes

The San Pedro Cactus is a hardy and iconic plant, perfect for creating vertical interest and a dramatic focal point in water-wise gardens. Its resilience and sculptural form make it a timeless choice for arid and subtropical landscapes.